@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t7-25>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "7-25" ;
  skosxl:prefLabel "photon exposure"@en ;
  skosxl:altLabel "H_\"p\""@en ;
  skosxl:altLabel "(H)"@en ;
  skos:definition "density of incident photon number with respect to area at a point on a real or imaginary surface, expressed by\n\n[stem%unnumbered]\n++++\nH_\"p\" = (\"d\"N_\"p\")/(\"d\"A)\n++++\n\nwhere stem:[N_\"p\"] is photon number (<<t7-19.1>>) and stem:[A] is the area (<<iso80000-3>>) on which the photons are incident\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-7> ;
  isq:hasUnit [
    skos:notation "m^(-2)" ;
    skosxl:prefLabel "per square metre"@en
  ] ;
  skos:note "The corresponding radiometric quantity is \"radiant exposure\" (<<t7-9.1>>). The corresponding photometric quantity is \"luminous exposure\" (<<t7-18>>)."@en ;
  iso:urn <urn:iso:std:iso:80000:-7:ed-2:en:item:7-25> .